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Diffstat (limited to 'fs/f2fs/file.c')
-rw-r--r--fs/f2fs/file.c188
1 files changed, 98 insertions, 90 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 5a322bc00..90d1157a0 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -74,11 +74,11 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
goto mapped;
/* page is wholly or partially inside EOF */
- if (((loff_t)(page->index + 1) << PAGE_CACHE_SHIFT) >
+ if (((loff_t)(page->index + 1) << PAGE_SHIFT) >
i_size_read(inode)) {
unsigned offset;
- offset = i_size_read(inode) & ~PAGE_CACHE_MASK;
- zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+ offset = i_size_read(inode) & ~PAGE_MASK;
+ zero_user_segment(page, offset, PAGE_SIZE);
}
set_page_dirty(page);
SetPageUptodate(page);
@@ -86,7 +86,7 @@ static int f2fs_vm_page_mkwrite(struct vm_area_struct *vma,
trace_f2fs_vm_page_mkwrite(page, DATA);
mapped:
/* fill the page */
- f2fs_wait_on_page_writeback(page, DATA);
+ f2fs_wait_on_page_writeback(page, DATA, false);
/* wait for GCed encrypted page writeback */
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
@@ -301,7 +301,7 @@ static pgoff_t __get_first_dirty_index(struct address_space *mapping,
pagevec_init(&pvec, 0);
nr_pages = pagevec_lookup_tag(&pvec, mapping, &pgofs,
PAGECACHE_TAG_DIRTY, 1);
- pgofs = nr_pages ? pvec.pages[0]->index : LONG_MAX;
+ pgofs = nr_pages ? pvec.pages[0]->index : ULONG_MAX;
pagevec_release(&pvec);
return pgofs;
}
@@ -346,11 +346,11 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
goto found;
}
- pgofs = (pgoff_t)(offset >> PAGE_CACHE_SHIFT);
+ pgofs = (pgoff_t)(offset >> PAGE_SHIFT);
dirty = __get_first_dirty_index(inode->i_mapping, pgofs, whence);
- for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_CACHE_SHIFT) {
+ for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE_RA);
if (err && err != -ENOENT) {
@@ -358,20 +358,19 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
} else if (err == -ENOENT) {
/* direct node does not exists */
if (whence == SEEK_DATA) {
- pgofs = PGOFS_OF_NEXT_DNODE(pgofs,
- F2FS_I(inode));
+ pgofs = get_next_page_offset(&dn, pgofs);
continue;
} else {
goto found;
}
}
- end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
+ end_offset = ADDRS_PER_PAGE(dn.node_page, inode);
/* find data/hole in dnode block */
for (; dn.ofs_in_node < end_offset;
dn.ofs_in_node++, pgofs++,
- data_ofs = (loff_t)pgofs << PAGE_CACHE_SHIFT) {
+ data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
block_t blkaddr;
blkaddr = datablock_addr(dn.node_page, dn.ofs_in_node);
@@ -422,7 +421,7 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
int err;
if (f2fs_encrypted_inode(inode)) {
- err = f2fs_get_encryption_info(inode);
+ err = fscrypt_get_encryption_info(inode);
if (err)
return 0;
if (!f2fs_encrypted_inode(inode))
@@ -442,14 +441,22 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
static int f2fs_file_open(struct inode *inode, struct file *filp)
{
int ret = generic_file_open(inode, filp);
+ struct dentry *dir;
if (!ret && f2fs_encrypted_inode(inode)) {
- ret = f2fs_get_encryption_info(inode);
+ ret = fscrypt_get_encryption_info(inode);
if (ret)
return -EACCES;
- if (!f2fs_encrypted_inode(inode))
+ if (!fscrypt_has_encryption_key(inode))
return -ENOKEY;
}
+ dir = dget_parent(file_dentry(filp));
+ if (f2fs_encrypted_inode(d_inode(dir)) &&
+ !fscrypt_has_permitted_context(d_inode(dir), inode)) {
+ dput(dir);
+ return -EPERM;
+ }
+ dput(dir);
return ret;
}
@@ -484,7 +491,7 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
* we will invalidate all blkaddr in the whole range.
*/
fofs = start_bidx_of_node(ofs_of_node(dn->node_page),
- F2FS_I(dn->inode)) + ofs;
+ dn->inode) + ofs;
f2fs_update_extent_cache_range(dn, fofs, 0, len);
dec_valid_block_count(sbi, dn->inode, nr_free);
sync_inode_page(dn);
@@ -505,8 +512,8 @@ void truncate_data_blocks(struct dnode_of_data *dn)
static int truncate_partial_data_page(struct inode *inode, u64 from,
bool cache_only)
{
- unsigned offset = from & (PAGE_CACHE_SIZE - 1);
- pgoff_t index = from >> PAGE_CACHE_SHIFT;
+ unsigned offset = from & (PAGE_SIZE - 1);
+ pgoff_t index = from >> PAGE_SHIFT;
struct address_space *mapping = inode->i_mapping;
struct page *page;
@@ -525,9 +532,10 @@ static int truncate_partial_data_page(struct inode *inode, u64 from,
if (IS_ERR(page))
return 0;
truncate_out:
- f2fs_wait_on_page_writeback(page, DATA);
- zero_user(page, offset, PAGE_CACHE_SIZE - offset);
- if (!cache_only || !f2fs_encrypted_inode(inode) || !S_ISREG(inode->i_mode))
+ f2fs_wait_on_page_writeback(page, DATA, true);
+ zero_user(page, offset, PAGE_SIZE - offset);
+ if (!cache_only || !f2fs_encrypted_inode(inode) ||
+ !S_ISREG(inode->i_mode))
set_page_dirty(page);
f2fs_put_page(page, 1);
return 0;
@@ -572,7 +580,7 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
goto out;
}
- count = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
+ count = ADDRS_PER_PAGE(dn.node_page, inode);
count -= dn.ofs_in_node;
f2fs_bug_on(sbi, count < 0);
@@ -675,7 +683,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
if (attr->ia_valid & ATTR_SIZE) {
if (f2fs_encrypted_inode(inode) &&
- f2fs_get_encryption_info(inode))
+ fscrypt_get_encryption_info(inode))
return -EACCES;
if (attr->ia_size <= i_size_read(inode)) {
@@ -747,7 +755,7 @@ static int fill_zero(struct inode *inode, pgoff_t index,
if (IS_ERR(page))
return PTR_ERR(page);
- f2fs_wait_on_page_writeback(page, DATA);
+ f2fs_wait_on_page_writeback(page, DATA, true);
zero_user(page, start, len);
set_page_dirty(page);
f2fs_put_page(page, 1);
@@ -772,7 +780,7 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
return err;
}
- end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
+ end_offset = ADDRS_PER_PAGE(dn.node_page, inode);
count = min(end_offset - dn.ofs_in_node, pg_end - pg_start);
f2fs_bug_on(F2FS_I_SB(inode), count == 0 || count > end_offset);
@@ -795,11 +803,11 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
if (ret)
return ret;
- pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
- pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
+ pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
- off_start = offset & (PAGE_CACHE_SIZE - 1);
- off_end = (offset + len) & (PAGE_CACHE_SIZE - 1);
+ off_start = offset & (PAGE_SIZE - 1);
+ off_end = (offset + len) & (PAGE_SIZE - 1);
if (pg_start == pg_end) {
ret = fill_zero(inode, pg_start, off_start,
@@ -809,7 +817,7 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
} else {
if (off_start) {
ret = fill_zero(inode, pg_start++, off_start,
- PAGE_CACHE_SIZE - off_start);
+ PAGE_SIZE - off_start);
if (ret)
return ret;
}
@@ -826,8 +834,8 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
f2fs_balance_fs(sbi, true);
- blk_start = (loff_t)pg_start << PAGE_CACHE_SHIFT;
- blk_end = (loff_t)pg_end << PAGE_CACHE_SHIFT;
+ blk_start = (loff_t)pg_start << PAGE_SHIFT;
+ blk_end = (loff_t)pg_end << PAGE_SHIFT;
truncate_inode_pages_range(mapping, blk_start,
blk_end - 1);
@@ -858,10 +866,8 @@ static int __exchange_data_block(struct inode *inode, pgoff_t src,
} else {
new_addr = dn.data_blkaddr;
if (!is_checkpointed_data(sbi, new_addr)) {
- dn.data_blkaddr = NULL_ADDR;
/* do not invalidate this block address */
- set_data_blkaddr(&dn);
- f2fs_update_extent_cache(&dn);
+ f2fs_update_data_blkaddr(&dn, NULL_ADDR);
do_replace = true;
}
f2fs_put_dnode(&dn);
@@ -888,7 +894,7 @@ static int __exchange_data_block(struct inode *inode, pgoff_t src,
get_node_info(sbi, dn.nid, &ni);
f2fs_replace_block(sbi, &dn, dn.data_blkaddr, new_addr,
- ni.version, true);
+ ni.version, true, false);
f2fs_put_dnode(&dn);
} else {
struct page *psrc, *pdst;
@@ -896,7 +902,7 @@ static int __exchange_data_block(struct inode *inode, pgoff_t src,
psrc = get_lock_data_page(inode, src, true);
if (IS_ERR(psrc))
return PTR_ERR(psrc);
- pdst = get_new_data_page(inode, NULL, dst, false);
+ pdst = get_new_data_page(inode, NULL, dst, true);
if (IS_ERR(pdst)) {
f2fs_put_page(psrc, 1);
return PTR_ERR(pdst);
@@ -912,9 +918,7 @@ static int __exchange_data_block(struct inode *inode, pgoff_t src,
err_out:
if (!get_dnode_of_data(&dn, src, LOOKUP_NODE)) {
- dn.data_blkaddr = new_addr;
- set_data_blkaddr(&dn);
- f2fs_update_extent_cache(&dn);
+ f2fs_update_data_blkaddr(&dn, new_addr);
f2fs_put_dnode(&dn);
}
return ret;
@@ -954,8 +958,8 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
if (ret)
return ret;
- pg_start = offset >> PAGE_CACHE_SHIFT;
- pg_end = (offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = offset >> PAGE_SHIFT;
+ pg_end = (offset + len) >> PAGE_SHIFT;
/* write out all dirty pages from offset */
ret = filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
@@ -1006,11 +1010,11 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
truncate_pagecache_range(inode, offset, offset + len - 1);
- pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
- pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
+ pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
- off_start = offset & (PAGE_CACHE_SIZE - 1);
- off_end = (offset + len) & (PAGE_CACHE_SIZE - 1);
+ off_start = offset & (PAGE_SIZE - 1);
+ off_end = (offset + len) & (PAGE_SIZE - 1);
if (pg_start == pg_end) {
ret = fill_zero(inode, pg_start, off_start,
@@ -1024,12 +1028,12 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
} else {
if (off_start) {
ret = fill_zero(inode, pg_start++, off_start,
- PAGE_CACHE_SIZE - off_start);
+ PAGE_SIZE - off_start);
if (ret)
return ret;
new_size = max_t(loff_t, new_size,
- (loff_t)pg_start << PAGE_CACHE_SHIFT);
+ (loff_t)pg_start << PAGE_SHIFT);
}
for (index = pg_start; index < pg_end; index++) {
@@ -1054,18 +1058,13 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
if (dn.data_blkaddr != NEW_ADDR) {
invalidate_blocks(sbi, dn.data_blkaddr);
-
- dn.data_blkaddr = NEW_ADDR;
- set_data_blkaddr(&dn);
-
- dn.data_blkaddr = NULL_ADDR;
- f2fs_update_extent_cache(&dn);
+ f2fs_update_data_blkaddr(&dn, NEW_ADDR);
}
f2fs_put_dnode(&dn);
f2fs_unlock_op(sbi);
new_size = max_t(loff_t, new_size,
- (loff_t)(index + 1) << PAGE_CACHE_SHIFT);
+ (loff_t)(index + 1) << PAGE_SHIFT);
}
if (off_end) {
@@ -1122,8 +1121,8 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
truncate_pagecache(inode, offset);
- pg_start = offset >> PAGE_CACHE_SHIFT;
- pg_end = (offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = offset >> PAGE_SHIFT;
+ pg_end = (offset + len) >> PAGE_SHIFT;
delta = pg_end - pg_start;
nrpages = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
@@ -1163,11 +1162,11 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
f2fs_balance_fs(sbi, true);
- pg_start = ((unsigned long long) offset) >> PAGE_CACHE_SHIFT;
- pg_end = ((unsigned long long) offset + len) >> PAGE_CACHE_SHIFT;
+ pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
+ pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
- off_start = offset & (PAGE_CACHE_SIZE - 1);
- off_end = (offset + len) & (PAGE_CACHE_SIZE - 1);
+ off_start = offset & (PAGE_SIZE - 1);
+ off_end = (offset + len) & (PAGE_SIZE - 1);
f2fs_lock_op(sbi);
@@ -1185,12 +1184,12 @@ noalloc:
if (pg_start == pg_end)
new_size = offset + len;
else if (index == pg_start && off_start)
- new_size = (loff_t)(index + 1) << PAGE_CACHE_SHIFT;
+ new_size = (loff_t)(index + 1) << PAGE_SHIFT;
else if (index == pg_end)
- new_size = ((loff_t)index << PAGE_CACHE_SHIFT) +
+ new_size = ((loff_t)index << PAGE_SHIFT) +
off_end;
else
- new_size += PAGE_CACHE_SIZE;
+ new_size += PAGE_SIZE;
}
if (!(mode & FALLOC_FL_KEEP_SIZE) &&
@@ -1257,7 +1256,7 @@ static int f2fs_release_file(struct inode *inode, struct file *filp)
{
/* some remained atomic pages should discarded */
if (f2fs_is_atomic_file(inode))
- commit_inmem_pages(inode, true);
+ drop_inmem_pages(inode);
if (f2fs_is_volatile_file(inode)) {
set_inode_flag(F2FS_I(inode), FI_DROP_CACHE);
filemap_fdatawrite(inode->i_mapping);
@@ -1381,7 +1380,7 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp)
if (f2fs_is_atomic_file(inode)) {
clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
- ret = commit_inmem_pages(inode, false);
+ ret = commit_inmem_pages(inode);
if (ret) {
set_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
goto err_out;
@@ -1444,7 +1443,7 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp)
if (f2fs_is_atomic_file(inode)) {
clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
- commit_inmem_pages(inode, true);
+ drop_inmem_pages(inode);
}
if (f2fs_is_volatile_file(inode)) {
clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE);
@@ -1539,39 +1538,30 @@ static bool uuid_is_nonzero(__u8 u[16])
static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)
{
-#ifdef CONFIG_F2FS_FS_ENCRYPTION
- struct f2fs_encryption_policy policy;
+ struct fscrypt_policy policy;
struct inode *inode = file_inode(filp);
- if (copy_from_user(&policy, (struct f2fs_encryption_policy __user *)arg,
- sizeof(policy)))
+ if (copy_from_user(&policy, (struct fscrypt_policy __user *)arg,
+ sizeof(policy)))
return -EFAULT;
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
- return f2fs_process_policy(&policy, inode);
-#else
- return -EOPNOTSUPP;
-#endif
+ return fscrypt_process_policy(inode, &policy);
}
static int f2fs_ioc_get_encryption_policy(struct file *filp, unsigned long arg)
{
-#ifdef CONFIG_F2FS_FS_ENCRYPTION
- struct f2fs_encryption_policy policy;
+ struct fscrypt_policy policy;
struct inode *inode = file_inode(filp);
int err;
- err = f2fs_get_policy(inode, &policy);
+ err = fscrypt_get_policy(inode, &policy);
if (err)
return err;
- if (copy_to_user((struct f2fs_encryption_policy __user *)arg, &policy,
- sizeof(policy)))
+ if (copy_to_user((struct fscrypt_policy __user *)arg, &policy, sizeof(policy)))
return -EFAULT;
return 0;
-#else
- return -EOPNOTSUPP;
-#endif
}
static int f2fs_ioc_get_encryption_pwsalt(struct file *filp, unsigned long arg)
@@ -1652,7 +1642,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
struct f2fs_defragment *range)
{
struct inode *inode = file_inode(filp);
- struct f2fs_map_blocks map;
+ struct f2fs_map_blocks map = { .m_next_pgofs = NULL };
struct extent_info ei;
pgoff_t pg_start, pg_end;
unsigned int blk_per_seg = sbi->blocks_per_seg;
@@ -1666,8 +1656,8 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
if (need_inplace_update(inode))
return -EINVAL;
- pg_start = range->start >> PAGE_CACHE_SHIFT;
- pg_end = (range->start + range->len) >> PAGE_CACHE_SHIFT;
+ pg_start = range->start >> PAGE_SHIFT;
+ pg_end = (range->start + range->len) >> PAGE_SHIFT;
f2fs_balance_fs(sbi, true);
@@ -1784,7 +1774,7 @@ clear_out:
out:
inode_unlock(inode);
if (!err)
- range->len = (u64)total << PAGE_CACHE_SHIFT;
+ range->len = (u64)total << PAGE_SHIFT;
return err;
}
@@ -1878,14 +1868,32 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
- struct inode *inode = file_inode(iocb->ki_filp);
+ struct file *file = iocb->ki_filp;
+ struct inode *inode = file_inode(file);
+ ssize_t ret;
if (f2fs_encrypted_inode(inode) &&
- !f2fs_has_encryption_key(inode) &&
- f2fs_get_encryption_info(inode))
+ !fscrypt_has_encryption_key(inode) &&
+ fscrypt_get_encryption_info(inode))
return -EACCES;
- return generic_file_write_iter(iocb, from);
+ inode_lock(inode);
+ ret = generic_write_checks(iocb, from);
+ if (ret > 0) {
+ ret = f2fs_preallocate_blocks(iocb, from);
+ if (!ret)
+ ret = __generic_file_write_iter(iocb, from);
+ }
+ inode_unlock(inode);
+
+ if (ret > 0) {
+ ssize_t err;
+
+ err = generic_write_sync(file, iocb->ki_pos - ret, ret);
+ if (err < 0)
+ ret = err;
+ }
+ return ret;
}
#ifdef CONFIG_COMPAT
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-09 05:20:08 +0000